The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* Copyright (C) 2007-2008 The Android Open Source Project |
| 2 | ** |
| 3 | ** This software is licensed under the terms of the GNU General Public |
| 4 | ** License version 2, as published by the Free Software Foundation, and |
| 5 | ** may be copied, distributed, and modified under those terms. |
| 6 | ** |
| 7 | ** This program is distributed in the hope that it will be useful, |
| 8 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | ** GNU General Public License for more details. |
| 11 | */ |
| 12 | #ifndef _CHARPIPE_H |
| 13 | #define _CHARPIPE_H |
| 14 | |
| 15 | #include "qemu-common.h" |
| 16 | |
| 17 | /* open two connected character drivers that can be used to communicate by internal |
| 18 | * QEMU components. For Android, this is used to connect an emulated serial port |
| 19 | * with the android modem |
| 20 | */ |
| 21 | extern int qemu_chr_open_charpipe( CharDriverState* *pfirst, CharDriverState* *psecond ); |
| 22 | |
David Turner | 4735694 | 2009-04-05 14:23:06 -0700 | [diff] [blame] | 23 | /* create a buffering character driver for a given endpoint. The result will buffer |
| 24 | * anything that is sent to it but cannot be sent to the endpoint immediately. |
| 25 | * On the other hand, if the endpoint calls can_read() or read(), these calls |
| 26 | * are passed immediately to the can_read() or read() handlers of the result. |
| 27 | */ |
| 28 | extern CharDriverState* qemu_chr_open_buffer( CharDriverState* endpoint ); |
| 29 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 30 | /* must be called from the main event loop to poll all charpipes */ |
| 31 | extern void charpipe_poll( void ); |
| 32 | |
| 33 | #endif /* _CHARPIPE_H */ |